Here it is, first draft of him.

Aníbal Arriola, Arrancar Anomaly
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Name: Aníbal Arriola
Gender: Male
Age: Brand-new as an Arrancar; was a Living Vizard as a mortal.
Height: Varies
Weight: Varies
Reiatsu: Purple
Eyes: Varies
Hair: Varies
Aspect of Death: Terror

Appearance: Aníbal takes the form of a plain, jagged Hollow mask detailed in black; it seems to form perfectly to any holder's face, and will remain in place with no effort on their part. The mask is the entirety of Aníbal's being currently.
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Personality: Aníbal is malicious, spiteful, vicious, and lives to survive long enough to one day consume every soul in both worlds. He sees almost everyone else as means to that end, though he will show them respect when necessary in the interest of self-preservation. He treats his hosts as well as he can, though, like a craftsman maintains his tools. Aníbal is very proud of his stealth ability, and enjoys the far-too-rare moments when he's able to offer just the right piece of information to make a system collapse.

General Abilities:
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With Host:
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Bala: Below average strength, but above-average firing speed. Aníbal can release hails of Bala that, while damaging, are usually better as a distractionary measure.

Cero: Aníbal's Cero are of average strength but an exceptionally wide arc (up to a full 90 degrees), though they take longer to charge than most.

Hierro: Average. It'll soften blows, but he'll still feel them.

Sonido: Above average. Aníbal can move fast enough to leave as many as three afterimages for one or two seconds.

Garganta: Below average. Aníbal has very little skill in moving between worlds and is rarely more accurate than what square mile area he wants to end up in.


Always Available:
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Pesquisa: Excellent. Aníbal has an extremely refined Pesquisa that can pinpoint sources of spiritual energy within a large radius. When in spiritually-rich areas, his Pesquisa can sometimes substitute for sight.

Voz Que Obliga (Compelling Voice): Aníbal has minor powers of suggestion, transmitted telepathically and wordlessly when not possessing a host. He can't flat-out give people orders and force them to obey, but he can give suggestions that, over time, sound mighty tempting... the less spiritual pressure the listener has, the more effective his suggestions.

Enmascare el Alma (Mask the Soul): When a being puts on Aníbal's mask, he can attempt to seize control of them and trap the unfortunate host as an observer in their own body. Possession is easier the less spiritual power a potential host has, though a difference can be counteracted if the host is wounded or exhausted. Once in control, Aníbal is difficult to dislodge. Victims significantly less powerful than Aníbal have almost no hope of expelling him without the help of another, and even then it's not easy. Victims of roughly equal strength can, with effort and when Aníbal has exerted himself, reclaim control of themselves for short periods of time, possibly eventually ejecting him from their body. Stronger hosts can regain control more frequently and can probably expel him on their own, given enough time. While in possession of a host, Aníbal can rummage through their memories. This is a slow process and highly distracting to him, giving his host an increased chance to regain control for a time. If his mask is broken while Aníbal has a host, the host regains control for the several days it takes a new mask to form; if he is expelled while still reforming his mask, Aníbal takes the form of a broken mask that slowly repairs itself over time.

Spiritual Camouflage: Aníbal is capable of disguising his reiatsu, rendering himself virtually undetectable to Pesquisa or other methods of sensing spiritual power. When in possession of a host, he can even dematerialize his mask for long periods of time, though this is tiring. This camouflage is not active when he uses any of his Hollow powers.


Zanpakuto: Cadáver de la Pesadilla (Corpse of the Nightmare)
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Sealed form: A plain steel-bladed katana with its grip wrapped in black shark skin. Its guard is a triangle with one point in the direction of the blade's edge and shines with deep purple-greys in the light.

Resurrección: "Recuerde, Cadáver de la Pesadilla!" (Remember, Corpse of the Nightmare!)
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When released, Cadáver de la Pesadilla darkens into writhing shadows that unravel and slither into Aníbal's arms, spreading darkness over him that then restores his Hollow form. The shadows comprising its body writhe with the vague forms and faces of the hosts he's taken. As usual for Arrancar, Aníbal's basic abilities all improve in his released form. However, due to his unusual state, Aníbal can maintain Resurrección for only a short time, after which he consumes the soul of his host to replenish himself, rendering the host worthless. After his release ends, Aníbal's host can still shuffle around similarly to a zombie for about an hour, after which it collapses dead and he is forced back into his mask alone to try snaring a new body.

Specific Abilities:
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El Bosque Más Allá de la Ciudad (The Wood Beyond the City): If he's willing to cut his release time in half, Aníbal's surroundings fade out to be replaced by a massive dome of reiatsu containing a dense, forbidding nighttime forest straight out of a horror movie, complete with very little moonlight. The Hollow reiatsu composing the forest interferes with the ability of those within to sense spiritual pressure, making it more difficult to keep track of Aníbal himself, and the landscape will passively hinder enemies within it (roots are at just the right height to trip, vines hang and entangle, etc). The other downside beyond reduced time released, however, is that such a large mass of reiatsu is blindingly obvious to anyone sensitive outside the dome and more or less forms a giant neon sign saying "HOLLOW HERE! RIGHT HERE!" On the other hand, such a mass of reiatsu nearby can help disguise other presences...

Lobos en el Bosque (Wolves in the Woods):
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Aníbal can create up to five shadowy, largely-amorphous "hounds" out of the darkness of his own body that proceed to act independently to pursue and harass his foes. The hounds are not particularly durable, nor are their teeth and claws actually very damaging. However, wounds inflicted by the Wolves feel far more severe than they actually are.

Encarcelamiento (Imprisonment): After charging time on par with a Cero, Aníbal's outstretched hand fires four arcing bolts that curve towards the target from multiple directions, making dodging them all a difficult prospect. Each bolt that strikes increases the effect of the attack. One bolt slows the target. Two bolts slow the target greatly and renders them unable to use Sonido, Hirenkyaku, Shunpo, or similar fast-movement abilities for a short time. Three bolts pin the target to the nearest solid object but leave them capable of some movement, similarly to Bakudo 30: Beak-Piercing Triple Beam. All four bolts utterly paralyze the target for a short time. Each of these effects is cumulative.


Segunda Etapa: None yet, and it'd be a long ways off.